diff --git a/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailView.swift b/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailView.swift
index 1b39d8e8..d0e22b20 100644
--- a/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailView.swift
+++ b/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailView.swift
@@ -22,7 +22,7 @@ struct CreatorChannelCommunityPostDetailView: View {
                                 onTapPurchase: viewModel.presentPurchaseDialog
                             )
 
-                            if detail.isCommentAvailable {
+                            if viewModel.isCommentInteractionAvailable {
                                 Rectangle()
                                     .fill(Color.gray800)
                                     .frame(height: 1)
@@ -83,7 +83,7 @@ struct CreatorChannelCommunityPostDetailView: View {
             viewModel.configure(postId: postId, onCommunityRefresh: onCommunityRefresh)
         }
         .safeAreaInset(edge: .bottom) {
-            if viewModel.detail?.isCommentAvailable == true {
+            if viewModel.isCommentInteractionAvailable {
                 CreatorChannelCommunityPostDetailInputBar(
                     text: $viewModel.commentText,
                     isSecret: $viewModel.isSecret,
diff --git a/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailViewModel.swift b/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailViewModel.swift
index 118d6523..88bf2cb8 100644
--- a/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailViewModel.swift
+++ b/SodaLive/Sources/V2/CreatorChannel/Community/Detail/CreatorChannelCommunityPostDetailViewModel.swift
@@ -33,13 +33,18 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
         detail?.creatorId == UserDefaults.int(forKey: .userId)
     }
 
+    var isCommentInteractionAvailable: Bool {
+        guard let detail, detail.isCommentAvailable else { return false }
+        return detail.price <= 0 || detail.existOrdered || isOwnPost
+    }
+
     var isShowSecret: Bool {
         guard let detail else { return false }
         return detail.price > 0 && detail.existOrdered && detail.creatorId != UserDefaults.int(forKey: .userId)
     }
 
     var isCommentSendEnabled: Bool {
-        guard detail?.isCommentAvailable == true else { return false }
+        guard isCommentInteractionAvailable else { return false }
         return commentText.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty == false && isLoading == false
     }
 
@@ -102,7 +107,7 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
 
     func fetchNextCommentsIfNeeded(currentComment: CreatorChannelCommunityCommentResponse) {
         guard comments.last?.commentId == currentComment.commentId else { return }
-        guard detail?.isCommentAvailable == true else { return }
+        guard isCommentInteractionAvailable else { return }
         guard hasNext, isLoadingNextPage == false, isLoading == false else { return }
         guard postId > 0 else { return }
 
@@ -227,7 +232,7 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
     }
 
     func sendComment() {
-        guard isCommentSendEnabled else { return }
+        guard isCommentInteractionAvailable, isCommentSendEnabled else { return }
 
         if let editingComment {
             modify(comment: editingComment)
@@ -253,7 +258,7 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
     }
 
     func beginEditing(_ comment: CreatorChannelCommunityCommentResponse) {
-        guard canEdit(comment) else { return }
+        guard isCommentInteractionAvailable, canEdit(comment) else { return }
         selectedComment = nil
         editingComment = comment
         commentText = comment.content
@@ -265,14 +270,14 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
     }
 
     func presentDeleteDialog(_ comment: CreatorChannelCommunityCommentResponse) {
-        guard canDelete(comment) else { return }
+        guard isCommentInteractionAvailable, canDelete(comment) else { return }
         selectedComment = nil
         deletingComment = comment
         isShowDeleteDialog = true
     }
 
     func confirmDelete() {
-        guard let deletingComment, isLoading == false else { return }
+        guard isCommentInteractionAvailable, let deletingComment, isLoading == false else { return }
         isShowDeleteDialog = false
         delete(comment: deletingComment)
     }
@@ -284,7 +289,7 @@ final class CreatorChannelCommunityPostDetailViewModel: ObservableObject {
         hasNext = data.comments.hasNext
         hasLoaded = true
 
-        if data.isCommentAvailable {
+        if isCommentInteractionAvailable {
             comments = data.comments.comments
         } else {
             comments = []